ENUBET: A monitored neutrino beam for high precision cross section measurements

The main source of systematic uncertainty on neutrino cross section measurements at the GeV scale is represented by the poor knowledge of the initial flux. The goal of cutting down this uncertainty to 1% can be achieved through the monitoring of charged leptons produced in association with neutrinos...

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Published in:	EPJ Web of conferences Vol. 282; p. 1018
Main Authors:	Torti, Marta, Acerbi, Fabio, Angelis, Ioannis, Bomben, Luca, Bonesini, Maurizio, Bramati, Filippo, Branca, Antonio, Brizzolari, Claudia, Brunetti, Giulia, Calviani, Marco, Capelli, Stefano, Carturan, Sara, Catanesi, Maria Gabriella, Cecchini, Simone, Charitonidis, Nikolaos, Cindolo, Federico, Cogo, Giacomo, Collazuol, Gianmaria, Dal Corso, Flavio, Delogu, Claudia, De Rosa, Gianfranca, Falcone, Andrea, Goddard, Brennan, Gola, Alberto, Halić, Leon, Iacob, Fabio, Jollet, Cecile, Kain, Verena, Klicek, Budimir, Kudenko, Yury, Lampoudis, Christos, Laveder, Marco, Longhin, Andrea, Ludovici, Lucio, Lutsenko, Evgenii, Magaletti, Lorenzo, Mandrioli, Gianni, Margotti, Anselmo, Mascagna, Valerio, Mauri, Nicoletta, Meazza, Luca, Meregaglia, Anselmo, Mezzetto, Mauro, Nessi, Marzio, Paoloni, Alessandro, Pari, Michelangelo, Parozzi, Elisabetta Giulia, Pasqualini, Laura, Paternoster, Giovanni, Patrizii, Laura, Pozzato, Michele, Prest, Michela, Pupilli, Fabio, Radicioni, Emilio, Ruggeri, Alan Cosimo, Sampsonidis, Dimos, Scian, Carlo, Sirri, Gabriele, Stipcevic, Mario, Tenti, Matteo, Terranova, Francesco, Tzamarias, Spyros, Vallazza, Erik, Velotti, Francesco, Votano, Lucia
Format:	Journal Article
Language:	English
Published:	EDP Sciences 2023
Online Access:	Get full text
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Summary:	The main source of systematic uncertainty on neutrino cross section measurements at the GeV scale is represented by the poor knowledge of the initial flux. The goal of cutting down this uncertainty to 1% can be achieved through the monitoring of charged leptons produced in association with neutrinos, by properly instrumenting the decay region of a conventional narrow-band neutrino beam. Large angle muons and positrons from kaons are measured by a sampling calorimeter on the decay tunnel walls (tagger), while muon stations after the hadron dump can be used to monitor the neutrino component from pion decays. This instrumentation can provide a full control on both the muon and electron neutrino fluxes at all energies. Furthermore, the narrow momentum width (<10%) of the beam provides a O(10%) measurement of the neutrino energy on an event by event basis, thanks to its correlation with the radial position of the interaction at the neutrino detector. The ENUBET project has been funded by the ERC in 2016 to prove the feasibility of such a monitored neutrino beam and is cast in the framework of the CERN neutrino platform (NP06) and the Physics Beyond Colliders initiative. In our contribution, we summarize the ENUBET design, physics performance and opportunities for its implementation in a timescale comparable with next long baseline neutrino experiments.
ISSN:	2100-014X 2100-014X
DOI:	10.1051/epjconf/202328201018